Answer:
Step-by-step explanation:
The first one.
Answer:
<h3>f =27</h3>
Step-by-step explanation:

Collect like terms and simplify

Switch sides

Answer: Uhhhhh no question...
Step-by-step explanation:
Answer:
bottom 2 shapes
Step-by-step explanation:
Answer:
3n - 5
Step-by-step explanation:
f(n) = 3n - 5. Works for all of them